23311022329978 has 16 divisors (see below), whose sum is σ = 35031826497024. Its totient is φ = 11633748497280.

The previous prime is 23311022329961. The next prime is 23311022329979. The reversal of 23311022329978 is 87992322011332.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23311022329979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28512426 + ... + 29318602.

It is an arithmetic number, because the mean of its divisors is an integer number (2189489156064).

Almost surely, 2^{23311022329978} is an apocalyptic number.

23311022329978 is a deficient number, since it is larger than the sum of its proper divisors (11720804167046).

23311022329978 is a wasteful number, since it uses less digits than its factorization.

23311022329978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833157.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 23311022329978 in words is "twenty-three trillion, three hundred eleven billion, twenty-two million, three hundred twenty-nine thousand, nine hundred seventy-eight".