23454429386 has 16 divisors (see below), whose sum is σ = 35539166664. Its totient is φ = 11608310784.

The previous prime is 23454429379. The next prime is 23454429391. The reversal of 23454429386 is 68392445432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1569665161 + 21884764225 = 39619^2 + 147935^2 .

It is a super-2 number, since 2×23454429386² (a number of 22 digits) contains 22 as substring.

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, 107570 + ... + 241826.

Almost surely, 2^23454429386 is an apocalyptic number.

23454429386 is a deficient number, since it is larger than the sum of its proper divisors (12084737278).

23454429386 is a wasteful number, since it uses less digits than its factorization.

23454429386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135145.

The product of its digits is 4976640, while the sum is 50.

The spelling of 23454429386 in words is "twenty-three billion, four hundred fifty-four million, four hundred twenty-nine thousand, three hundred eighty-six".