223154404120135 has 12 divisors (see below), whose sum is σ = 275218331576328. Its totient is φ = 173698563201696.

The previous prime is 223154404120103. The next prime is 223154404120139. The reversal of 223154404120135 is 531021404451322.

It is not a de Polignac number, because 223154404120135 - 2⁵ = 223154404120103 is a prime.

It is a super-3 number, since 3×223154404120135³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223154404120094 and 223154404120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223154404120139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16300533997 + ... + 16300547686.

It is an arithmetic number, because the mean of its divisors is an integer number (22934860964694).

Almost surely, 2^{223154404120135} is an apocalyptic number.

223154404120135 is a deficient number, since it is larger than the sum of its proper divisors (52063927456193).

223154404120135 is an equidigital number, since it uses as much as digits as its factorization.

223154404120135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32601081762 (or 32601081725 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 223154404120135 its reverse (531021404451322), we get a palindrome (754175808571457).

The spelling of 223154404120135 in words is "two hundred twenty-three trillion, one hundred fifty-four billion, four hundred four million, one hundred twenty thousand, one hundred thirty-five".