23223143054145 has 32 divisors (see below), whose sum is σ = 37715796421632. Its totient is φ = 12199461481152.

The previous prime is 23223143054123. The next prime is 23223143054203. The reversal of 23223143054145 is 54145034132232.

It is a happy number.

It is not a de Polignac number, because 23223143054145 - 2⁵ = 23223143054113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7810564 + ... + 10365866.

It is an arithmetic number, because the mean of its divisors is an integer number (1178618638176).

Almost surely, 2^{23223143054145} is an apocalyptic number.

It is an amenable number.

23223143054145 is a deficient number, since it is larger than the sum of its proper divisors (14492653367487).

23223143054145 is a wasteful number, since it uses less digits than its factorization.

23223143054145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564421.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 23223143054145 its reverse (54145034132232), we get a palindrome (77368177186377).

The spelling of 23223143054145 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred forty-three million, fifty-four thousand, one hundred forty-five".