23103778072 has 8 divisors (see below), whose sum is σ = 43319583900. Its totient is φ = 11551889032.

The previous prime is 23103778067. The next prime is 23103778091. The reversal of 23103778072 is 27087730132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×23103778072² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1443986122 + ... + 1443986137.

Almost surely, 2^23103778072 is an apocalyptic number.

It is an amenable number.

23103778072 is a deficient number, since it is larger than the sum of its proper divisors (20215805828).

23103778072 is a wasteful number, since it uses less digits than its factorization.

23103778072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887972265 (or 2887972261 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 23103778072 in words is "twenty-three billion, one hundred three million, seven hundred seventy-eight thousand, seventy-two".