23387216514550 has 36 divisors (see below), whose sum is σ = 50602299900660. Its totient is φ = 8018474232720.

The previous prime is 23387216514547. The next prime is 23387216514553. The reversal of 23387216514550 is 5541561278332.

It is an interprime number because it is at equal distance from previous prime (23387216514547) and next prime (23387216514553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23387216514553) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4772898880 + ... + 4772903779.

It is an arithmetic number, because the mean of its divisors is an integer number (1405619441685).

Almost surely, 2^{23387216514550} is an apocalyptic number.

23387216514550 is an abundant number, since it is smaller than the sum of its proper divisors (27215083386110).

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

23387216514550 is a wasteful number, since it uses less digits than its factorization.

23387216514550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545802685 (or 9545802673 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 23387216514550 in words is "twenty-three trillion, three hundred eighty-seven billion, two hundred sixteen million, five hundred fourteen thousand, five hundred fifty".