1623040422131 has 4 divisors (see below), whose sum is σ = 1623119189064. Its totient is φ = 1622961655200.

The previous prime is 1623040422121. The next prime is 1623040422137. The reversal of 1623040422131 is 1312240403261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1623040422131 - 2⁶ = 1623040422067 is a prime.

It is a super-2 number, since 2×1623040422131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1623040422094 and 1623040422103.

It is not an unprimeable number, because it can be changed into a prime (1623040422137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39352550 + ... + 39393771.

It is an arithmetic number, because the mean of its divisors is an integer number (405779797266).

Almost surely, 2^{1623040422131} is an apocalyptic number.

1623040422131 is a deficient number, since it is larger than the sum of its proper divisors (78766933).

1623040422131 is an equidigital number, since it uses as much as digits as its factorization.

1623040422131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78766932.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1623040422131 its reverse (1312240403261), we get a palindrome (2935280825392).

The spelling of 1623040422131 in words is "one trillion, six hundred twenty-three billion, forty million, four hundred twenty-two thousand, one hundred thirty-one".