23154061261 has 8 divisors (see below), whose sum is σ = 23542907904. Its totient is φ = 22768441920.

The previous prime is 23154061223. The next prime is 23154061283. The reversal of 23154061261 is 16216045132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23154061261 - 2¹¹ = 23154059213 is a prime.

It is a super-2 number, since 2×23154061261² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154061661) 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, 792355 + ... + 821056.

It is an arithmetic number, because the mean of its divisors is an integer number (2942863488).

Almost surely, 2^23154061261 is an apocalyptic number.

It is an amenable number.

23154061261 is a deficient number, since it is larger than the sum of its proper divisors (388846643).

23154061261 is a wasteful number, since it uses less digits than its factorization.

23154061261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613651.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 23154061261 in words is "twenty-three billion, one hundred fifty-four million, sixty-one thousand, two hundred sixty-one".