23145130 has 32 divisors (see below), whose sum is σ = 43939584. Its totient is φ = 8760576.

The previous prime is 23145119. The next prime is 23145167. The reversal of 23145130 is 3154132.

23145130 = T₁₈₀ + T₁₈₁ + ... + T₅₂₄.

It is a super-3 number, since 3×23145130³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23145098 and 23145107.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23202 + ... + 24178.

It is an arithmetic number, because the mean of its divisors is an integer number (1373112).

Almost surely, 2^23145130 is an apocalyptic number.

23145130 is a deficient number, since it is larger than the sum of its proper divisors (20794454).

23145130 is a wasteful number, since it uses less digits than its factorization.

23145130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23145130 is about 4810.9385778661. The cubic root of 23145130 is about 284.9836042687.

Adding to 23145130 its reverse (3154132), we get a palindrome (26299262).

The spelling of 23145130 in words is "twenty-three million, one hundred forty-five thousand, one hundred thirty".