23651061 has 24 divisors (see below), whose sum is σ = 37692480. Its totient is φ = 12921216.

The previous prime is 23651057. The next prime is 23651071. The reversal of 23651061 is 16015632.

It is not a de Polignac number, because 23651061 - 2² = 23651057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23651021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10045 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (1570520).

Almost surely, 2^23651061 is an apocalyptic number.

23651061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23651061 is a deficient number, since it is larger than the sum of its proper divisors (14041419).

23651061 is a wasteful number, since it uses less digits than its factorization.

23651061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2162 counting only the distinct ones).

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

The square root of 23651061 is about 4863.2356512923. The cubic root of 23651061 is about 287.0451474258.

Adding to 23651061 its reverse (16015632), we get a palindrome (39666693).

The spelling of 23651061 in words is "twenty-three million, six hundred fifty-one thousand, sixty-one".