23405000452 has 24 divisors (see below), whose sum is σ = 41895434840. Its totient is φ = 11437320960.

The previous prime is 23405000447. The next prime is 23405000467. The reversal of 23405000452 is 25400050432.

It can be written as a sum of positive squares in 4 ways, for example, as 2641343236 + 20763657216 = 51394^2 + 144096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267177 + ... + 343792.

Almost surely, 2^23405000452 is an apocalyptic number.

It is an amenable number.

23405000452 is a deficient number, since it is larger than the sum of its proper divisors (18490434388).

23405000452 is a wasteful number, since it uses less digits than its factorization.

23405000452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611191 (or 611189 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 23405000452 its reverse (25400050432), we get a palindrome (48805050884).

The spelling of 23405000452 in words is "twenty-three billion, four hundred five million, four hundred fifty-two", and thus it is an aban number.