23461989 has 8 divisors (see below), whose sum is σ = 33122880. Its totient is φ = 14721216.

The previous prime is 23461951. The next prime is 23462027. The reversal of 23461989 is 98916432.

It is an interprime number because it is at equal distance from previous prime (23461951) and next prime (23462027).

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

It is not a de Polignac number, because 23461989 - 2¹⁵ = 23429221 is a prime.

It is a super-2 number, since 2×23461989² = 1100929855672242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23461989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23461939) 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, 229969 + ... + 230070.

It is an arithmetic number, because the mean of its divisors is an integer number (4140360).

Almost surely, 2^23461989 is an apocalyptic number.

It is an amenable number.

23461989 is a deficient number, since it is larger than the sum of its proper divisors (9660891).

23461989 is a wasteful number, since it uses less digits than its factorization.

23461989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460059.

The product of its digits is 93312, while the sum is 42.

The square root of 23461989 is about 4843.7577354777. The cubic root of 23461989 is about 286.2781985022.

The spelling of 23461989 in words is "twenty-three million, four hundred sixty-one thousand, nine hundred eighty-nine".