23311340040403 has 16 divisors (see below), whose sum is σ = 23681806061760. Its totient is φ = 22942309307904.

The previous prime is 23311340040361. The next prime is 23311340040421. The reversal of 23311340040403 is 30404004311332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23311340040403 is a prime.

It is a super-2 number, since 2×23311340040403² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311340040493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63083925 + ... + 63452377.

It is an arithmetic number, because the mean of its divisors is an integer number (1480112878860).

Almost surely, 2^{23311340040403} is an apocalyptic number.

23311340040403 is a deficient number, since it is larger than the sum of its proper divisors (370466021357).

23311340040403 is a wasteful number, since it uses less digits than its factorization.

23311340040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370398.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23311340040403 its reverse (30404004311332), we get a palindrome (53715344351735).

The spelling of 23311340040403 in words is "twenty-three trillion, three hundred eleven billion, three hundred forty million, forty thousand, four hundred three".