23142554520140 has 24 divisors (see below), whose sum is σ = 53017488537552. Its totient is φ = 8415474370880.

The previous prime is 23142554520131. The next prime is 23142554520157. The reversal of 23142554520140 is 4102545524132.

It is a junction number, because it is equal to n+sod(n) for n = 23142554520094 and 23142554520103.

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, 52596714599 + ... + 52596715038.

It is an arithmetic number, because the mean of its divisors is an integer number (2209062022398).

Almost surely, 2^{23142554520140} is an apocalyptic number.

23142554520140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23142554520140 is an abundant number, since it is smaller than the sum of its proper divisors (29874934017412).

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

23142554520140 is a wasteful number, since it uses less digits than its factorization.

23142554520140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105193429657 (or 105193429655 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 23142554520140 in words is "twenty-three trillion, one hundred forty-two billion, five hundred fifty-four million, five hundred twenty thousand, one hundred forty".