23111342400345 has 64 divisors (see below), whose sum is σ = 38312282638080. Its totient is φ = 11887662947328.

The previous prime is 23111342400283. The next prime is 23111342400353. The reversal of 23111342400345 is 54300424311132.

It is not a de Polignac number, because 23111342400345 - 2⁷ = 23111342400217 is a prime.

It is a super-2 number, since 2×23111342400345² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29018214 + ... + 29804016.

It is an arithmetic number, because the mean of its divisors is an integer number (598629416220).

Almost surely, 2^{23111342400345} is an apocalyptic number.

It is an amenable number.

23111342400345 is a deficient number, since it is larger than the sum of its proper divisors (15200940237735).

23111342400345 is a wasteful number, since it uses less digits than its factorization.

23111342400345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786314.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 23111342400345 its reverse (54300424311132), we get a palindrome (77411766711477).

The spelling of 23111342400345 in words is "twenty-three trillion, one hundred eleven billion, three hundred forty-two million, four hundred thousand, three hundred forty-five".