23140431350040 has 128 divisors (see below), whose sum is σ = 75214316136960. Its totient is φ = 5672729524224.

The previous prime is 23140431349979. The next prime is 23140431350059. The reversal of 23140431350040 is 4005313404132.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131811684 + ... + 131987123.

It is an arithmetic number, because the mean of its divisors is an integer number (587611844820).

Almost surely, 2^{23140431350040} is an apocalyptic number.

23140431350040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23140431350040 is an abundant number, since it is smaller than the sum of its proper divisors (52073884786920).

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

23140431350040 is a wasteful number, since it uses less digits than its factorization.

23140431350040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263798881 (or 263798877 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23140431350040 its reverse (4005313404132), we get a palindrome (27145744754172).

The spelling of 23140431350040 in words is "twenty-three trillion, one hundred forty billion, four hundred thirty-one million, three hundred fifty thousand, forty".