23778233465 has 32 divisors (see below), whose sum is σ = 33753646080. Its totient is φ = 15733960704.

The previous prime is 23778233399. The next prime is 23778233473. The reversal of 23778233465 is 56433287732.

It is not a de Polignac number, because 23778233465 - 2¹⁰ = 23778232441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2139152 + ... + 2150238.

It is an arithmetic number, because the mean of its divisors is an integer number (1054801440).

Almost surely, 2^23778233465 is an apocalyptic number.

It is an amenable number.

23778233465 is a deficient number, since it is larger than the sum of its proper divisors (9975412615).

23778233465 is a wasteful number, since it uses less digits than its factorization.

23778233465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13241.

The product of its digits is 5080320, while the sum is 50.

The spelling of 23778233465 in words is "twenty-three billion, seven hundred seventy-eight million, two hundred thirty-three thousand, four hundred sixty-five".