23061156 has 12 divisors (see below), whose sum is σ = 53809392. Its totient is φ = 7687048.

The previous prime is 23061139. The next prime is 23061169. The reversal of 23061156 is 65116032.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960870 + ... + 960893.

It is an arithmetic number, because the mean of its divisors is an integer number (4484116).

Almost surely, 2^23061156 is an apocalyptic number.

It is an amenable number.

23061156 is an abundant number, since it is smaller than the sum of its proper divisors (30748236).

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

23061156 is a wasteful number, since it uses less digits than its factorization.

23061156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921770 (or 1921768 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 23061156 is about 4802.2032443452. The cubic root of 23061156 is about 284.6385321999.

Adding to 23061156 its product of nonzero digits (1080), we get a triangular number (23062236 = T₆₇₉₁).

Adding to 23061156 its reverse (65116032), we get a palindrome (88177188).

The spelling of 23061156 in words is "twenty-three million, sixty-one thousand, one hundred fifty-six".