23431069 has 4 divisors (see below), whose sum is σ = 23443420. Its totient is φ = 23418720.

The previous prime is 23431063. The next prime is 23431073. The reversal of 23431069 is 96013432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20748025 + 2683044 = 4555^2 + 1638^2 .

It is a cyclic number.

It is not a de Polignac number, because 23431069 - 2³ = 23431061 is a prime.

It is a super-2 number, since 2×23431069² = 1098029988965522, which 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 (23431061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2664 + ... + 7345.

It is an arithmetic number, because the mean of its divisors is an integer number (5860855).

Almost surely, 2^23431069 is an apocalyptic number.

It is an amenable number.

23431069 is a deficient number, since it is larger than the sum of its proper divisors (12351).

23431069 is a wasteful number, since it uses less digits than its factorization.

23431069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 23431069 is about 4840.5649463673. The cubic root of 23431069 is about 286.1523834625.

The spelling of 23431069 in words is "twenty-three million, four hundred thirty-one thousand, sixty-nine".