23145231013233 has 64 divisors (see below), whose sum is σ = 37914456932352. Its totient is φ = 12258893859840.

The previous prime is 23145231013207. The next prime is 23145231013243. The reversal of 23145231013233 is 33231013254132.

It is not a de Polignac number, because 23145231013233 - 2²² = 23145226818929 is a prime.

It is a super-2 number, since 2×23145231013233² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23145231013194 and 23145231013203.

It is not an unprimeable number, because it can be changed into a prime (23145231013243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4916760 + ... + 8394342.

It is an arithmetic number, because the mean of its divisors is an integer number (592413389568).

Almost surely, 2^{23145231013233} is an apocalyptic number.

It is an amenable number.

23145231013233 is a deficient number, since it is larger than the sum of its proper divisors (14769225919119).

23145231013233 is a wasteful number, since it uses less digits than its factorization.

23145231013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477894.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 23145231013233 its reverse (33231013254132), we get a palindrome (56376244267365).

The spelling of 23145231013233 in words is "twenty-three trillion, one hundred forty-five billion, two hundred thirty-one million, thirteen thousand, two hundred thirty-three".