23526023430 has 256 divisors, whose sum is σ = 71433363456. Its totient is φ = 4826511360.

The previous prime is 23526023429. The next prime is 23526023447. The reversal of 23526023430 is 3432062532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23223604 + ... + 23224616.

It is an arithmetic number, because the mean of its divisors is an integer number (279036576).

Almost surely, 2^23526023430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23526023430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35716681728).

23526023430 is an abundant number, since it is smaller than the sum of its proper divisors (47907340026).

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

23526023430 is a wasteful number, since it uses less digits than its factorization.

23526023430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 23526023430 its reverse (3432062532), we get a palindrome (26958085962).

The spelling of 23526023430 in words is "twenty-three billion, five hundred twenty-six million, twenty-three thousand, four hundred thirty".