23061940 has 24 divisors (see below), whose sum is σ = 52833312. Its totient is φ = 8386080.

The previous prime is 23061919. The next prime is 23061971. The reversal of 23061940 is 4916032.

It is a congruent number.

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, 52194 + ... + 52633.

It is an arithmetic number, because the mean of its divisors is an integer number (2201388).

Almost surely, 2^23061940 is an apocalyptic number.

23061940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23061940 is an abundant number, since it is smaller than the sum of its proper divisors (29771372).

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

23061940 is a wasteful number, since it uses less digits than its factorization.

23061940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104847 (or 104845 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 23061940 is about 4802.2848728496. The cubic root of 23061940 is about 284.6417577404.

Adding to 23061940 its reverse (4916032), we get a palindrome (27977972).

The spelling of 23061940 in words is "twenty-three million, sixty-one thousand, nine hundred forty".