23351522254040 has 32 divisors (see below), whose sum is σ = 55631567724480. Its totient is φ = 8791161318912.

The previous prime is 23351522254031. The next prime is 23351522254097. The reversal of 23351522254040 is 4045222515332.

It is a junction number, because it is equal to n+sod(n) for n = 23351522253985 and 23351522254003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17170236272 + ... + 17170237631.

It is an arithmetic number, because the mean of its divisors is an integer number (1738486491390).

Almost surely, 2^{23351522254040} is an apocalyptic number.

23351522254040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23351522254040 is an abundant number, since it is smaller than the sum of its proper divisors (32280045470440).

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

23351522254040 is a wasteful number, since it uses less digits than its factorization.

23351522254040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34340473931 (or 34340473927 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 23351522254040 its reverse (4045222515332), we get a palindrome (27396744769372).

The spelling of 23351522254040 in words is "twenty-three trillion, three hundred fifty-one billion, five hundred twenty-two million, two hundred fifty-four thousand, forty".