23661134146 has 32 divisors (see below), whose sum is σ = 38847795840. Its totient is φ = 10743031296.

The previous prime is 23661134143. The next prime is 23661134179. The reversal of 23661134146 is 64143116632.

It is not an unprimeable number, because it can be changed into a prime (23661134141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393085 + ... + 449263.

It is an arithmetic number, because the mean of its divisors is an integer number (1213993620).

Almost surely, 2^23661134146 is an apocalyptic number.

23661134146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23661134146 is a deficient number, since it is larger than the sum of its proper divisors (15186661694).

23661134146 is a wasteful number, since it uses less digits than its factorization.

23661134146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56458.

The product of its digits is 62208, while the sum is 37.

The spelling of 23661134146 in words is "twenty-three billion, six hundred sixty-one million, one hundred thirty-four thousand, one hundred forty-six".