23498980 has 12 divisors (see below), whose sum is σ = 49347900. Its totient is φ = 9399584.

The previous prime is 23498971. The next prime is 23498987. The reversal of 23498980 is 8989432.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17623204 + 5875776 = 4198^2 + 2424^2 .

It is a super-2 number, since 2×23498980² = 1104404122080800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23498987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587455 + ... + 587494.

It is an arithmetic number, because the mean of its divisors is an integer number (4112325).

Almost surely, 2^23498980 is an apocalyptic number.

23498980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23498980 is an abundant number, since it is smaller than the sum of its proper divisors (25848920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23498980 is a wasteful number, since it uses less digits than its factorization.

23498980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174958 (or 1174956 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 23498980 is about 4847.5746513076. The cubic root of 23498980 is about 286.4285716063.

The spelling of 23498980 in words is "twenty-three million, four hundred ninety-eight thousand, nine hundred eighty".