23420776210667 has 16 divisors (see below), whose sum is σ = 26105377738752. Its totient is φ = 20829158593920.

The previous prime is 23420776210639. The next prime is 23420776210681. The reversal of 23420776210667 is 76601267702432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23420776210667 - 2¹⁰ = 23420776209643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420776210567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9122078 + ... + 11404115.

It is an arithmetic number, because the mean of its divisors is an integer number (1631586108672).

Almost surely, 2^{23420776210667} is an apocalyptic number.

23420776210667 is a deficient number, since it is larger than the sum of its proper divisors (2684601528085).

23420776210667 is a wasteful number, since it uses less digits than its factorization.

23420776210667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20528458.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 23420776210667 in words is "twenty-three trillion, four hundred twenty billion, seven hundred seventy-six million, two hundred ten thousand, six hundred sixty-seven".