23297569386 has 128 divisors (see below), whose sum is σ = 60912746496. Its totient is φ = 5764746240.

The previous prime is 23297569333. The next prime is 23297569409. The reversal of 23297569386 is 68396579232.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3068551 + ... + 3076133.

It is an arithmetic number, because the mean of its divisors is an integer number (475880832).

Almost surely, 2^23297569386 is an apocalyptic number.

23297569386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23297569386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30456373248).

23297569386 is an abundant number, since it is smaller than the sum of its proper divisors (37615177110).

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

23297569386 is a wasteful number, since it uses less digits than its factorization.

23297569386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7956.

The product of its digits is 29393280, while the sum is 60.

The spelling of 23297569386 in words is "twenty-three billion, two hundred ninety-seven million, five hundred sixty-nine thousand, three hundred eighty-six".