261370023 has 8 divisors (see below), whose sum is σ = 366835200. Its totient is φ = 165075768.

The previous prime is 261370013. The next prime is 261370051. The reversal of 261370023 is 320073162.

261370023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 261370023 - 2⁴ = 261370007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 261369975 and 261370002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261370013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292663 + ... + 2292776.

It is an arithmetic number, because the mean of its divisors is an integer number (45854400).

Almost surely, 2^261370023 is an apocalyptic number.

261370023 is a deficient number, since it is larger than the sum of its proper divisors (105465177).

261370023 is a wasteful number, since it uses less digits than its factorization.

261370023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585461.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 261370023 is about 16166.9422897467. The cubic root of 261370023 is about 639.3695149974.

The spelling of 261370023 in words is "two hundred sixty-one million, three hundred seventy thousand, twenty-three".