23454345532420 has 48 divisors (see below), whose sum is σ = 56892465963648. Its totient is φ = 8027155688960.

The previous prime is 23454345532391. The next prime is 23454345532447. The reversal of 23454345532420 is 2423554345432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135603952 + ... + 3135611431.

It is an arithmetic number, because the mean of its divisors is an integer number (1185259707576).

Almost surely, 2^{23454345532420} is an apocalyptic number.

23454345532420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23454345532420 is an abundant number, since it is smaller than the sum of its proper divisors (33438120431228).

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

23454345532420 is a wasteful number, since it uses less digits than its factorization.

23454345532420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271215420 (or 6271215418 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 46.

Adding to 23454345532420 its reverse (2423554345432), we get a palindrome (25877899877852).

The spelling of 23454345532420 in words is "twenty-three trillion, four hundred fifty-four billion, three hundred forty-five million, five hundred thirty-two thousand, four hundred twenty".