23234354778 has 24 divisors (see below), whose sum is σ = 47478468672. Its totient is φ = 7579997944.

The previous prime is 23234354771. The next prime is 23234354831. The reversal of 23234354778 is 87745343232.

It is not an unprimeable number, because it can be changed into a prime (23234354771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 863250 + ... + 889757.

It is an arithmetic number, because the mean of its divisors is an integer number (1978269528).

Almost surely, 2^23234354778 is an apocalyptic number.

23234354778 is an abundant number, since it is smaller than the sum of its proper divisors (24244113894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23234354778 is a wasteful number, since it uses less digits than its factorization.

23234354778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753106 (or 1753059 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 48.

The spelling of 23234354778 in words is "twenty-three billion, two hundred thirty-four million, three hundred fifty-four thousand, seven hundred seventy-eight".