23402140366351 has 6 divisors (see below), whose sum is σ = 24698657838552. Its totient is φ = 22170448767780.

The previous prime is 23402140366331. The next prime is 23402140366387. The reversal of 23402140366351 is 15366304120432.

It is not a de Polignac number, because 23402140366351 - 2¹¹ = 23402140364303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402140366301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32412936435 + ... + 32412937156.

It is an arithmetic number, because the mean of its divisors is an integer number (4116442973092).

Almost surely, 2^{23402140366351} is an apocalyptic number.

23402140366351 is a deficient number, since it is larger than the sum of its proper divisors (1296517472201).

23402140366351 is an equidigital number, since it uses as much as digits as its factorization.

23402140366351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64825873629 (or 64825873610 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 23402140366351 its reverse (15366304120432), we get a palindrome (38768444486783).

The spelling of 23402140366351 in words is "twenty-three trillion, four hundred two billion, one hundred forty million, three hundred sixty-six thousand, three hundred fifty-one".