23012999977 has 8 divisors (see below), whose sum is σ = 26581861152. Its totient is φ = 19690267200.

The previous prime is 23012999969. The next prime is 23012999983. The reversal of 23012999977 is 77999921032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23012999977 - 2³ = 23012999969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23012993977) 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, 61531899 + ... + 61532272.

It is an arithmetic number, because the mean of its divisors is an integer number (3322732644).

Almost surely, 2^23012999977 is an apocalyptic number.

It is an amenable number.

23012999977 is a deficient number, since it is larger than the sum of its proper divisors (3568861175).

23012999977 is a wasteful number, since it uses less digits than its factorization.

23012999977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123064199.

The product of its (nonzero) digits is 3857868, while the sum is 58.

The spelling of 23012999977 in words is "twenty-three billion, twelve million, nine hundred ninety-nine thousand, nine hundred seventy-seven".