23454842 has 4 divisors (see below), whose sum is σ = 35182266. Its totient is φ = 11727420.

The previous prime is 23454841. The next prime is 23454857. The reversal of 23454842 is 24845432.

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

It can be written as a sum of positive squares in only one way, i.e., 23338561 + 116281 = 4831^2 + 341^2 .

It is a super-2 number, since 2×23454842² = 1100259226489928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23454799 and 23454808.

It is not an unprimeable number, because it can be changed into a prime (23454841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863709 + ... + 5863712.

Almost surely, 2^23454842 is an apocalyptic number.

23454842 is a deficient number, since it is larger than the sum of its proper divisors (11727424).

23454842 is a wasteful number, since it uses less digits than its factorization.

23454842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727423.

The product of its digits is 30720, while the sum is 32.

The square root of 23454842 is about 4843.0199256249. The cubic root of 23454842 is about 286.2491268256.

The spelling of 23454842 in words is "twenty-three million, four hundred fifty-four thousand, eight hundred forty-two".