23011560953540 has 24 divisors (see below), whose sum is σ = 48428650112640. Its totient is φ = 9184743979488.

The previous prime is 23011560953539. The next prime is 23011560953543. The reversal of 23011560953540 is 4535906511032.

It is a junction number, because it is equal to n+sod(n) for n = 23011560953491 and 23011560953500.

It is not an unprimeable number, because it can be changed into a prime (23011560953543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242515630 + ... + 1242534149.

It is an arithmetic number, because the mean of its divisors is an integer number (2017860421360).

Almost surely, 2^{23011560953540} is an apocalyptic number.

23011560953540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23011560953540 is an abundant number, since it is smaller than the sum of its proper divisors (25417089159100).

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

23011560953540 is a wasteful number, since it uses less digits than its factorization.

23011560953540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485050251 (or 2485050249 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 23011560953540 in words is "twenty-three trillion, eleven billion, five hundred sixty million, nine hundred fifty-three thousand, five hundred forty".