263461023 has 24 divisors (see below), whose sum is σ = 435410976. Its totient is φ = 150379200.

The previous prime is 263460983. The next prime is 263461057. The reversal of 263461023 is 320164362.

263461023 is a `hidden beast` number, since 2 + 634 + 6 + 1 + 0 + 23 = 666.

It is not a de Polignac number, because 263461023 - 2⁸ = 263460767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263461073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72633 + ... + 76173.

It is an arithmetic number, because the mean of its divisors is an integer number (18142124).

Almost surely, 2^263461023 is an apocalyptic number.

263461023 is a deficient number, since it is larger than the sum of its proper divisors (171949953).

263461023 is a wasteful number, since it uses less digits than its factorization.

263461023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 263461023 is about 16231.4824646426. The cubic root of 263461023 is about 641.0700061375.

The spelling of 263461023 in words is "two hundred sixty-three million, four hundred sixty-one thousand, twenty-three".