23535010021450 has 24 divisors (see below), whose sum is σ = 43776360157068. Its totient is φ = 9413737015680.

The previous prime is 23535010021441. The next prime is 23535010021499. The reversal of 23535010021450 is 5412001053532.

It can be written as a sum of positive squares in 6 ways, for example, as 21229784241241 + 2305225780209 = 4607579^2 + 1518297^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4889497 + ... + 8424796.

Almost surely, 2^{23535010021450} is an apocalyptic number.

23535010021450 is a deficient number, since it is larger than the sum of its proper divisors (20241350135618).

23535010021450 is a wasteful number, since it uses less digits than its factorization.

23535010021450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13349658 (or 13349653 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 23535010021450 its reverse (5412001053532), we get a palindrome (28947011074982).

The spelling of 23535010021450 in words is "twenty-three trillion, five hundred thirty-five billion, ten million, twenty-one thousand, four hundred fifty".