23240021421332 has 12 divisors (see below), whose sum is σ = 40670251169856. Its totient is φ = 11619949658520.

The previous prime is 23240021421329. The next prime is 23240021421349. The reversal of 23240021421332 is 23312412004232.

It is a junction number, because it is equal to n+sod(n) for n = 23240021421295 and 23240021421304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14401148 + ... + 15933395.

It is an arithmetic number, because the mean of its divisors is an integer number (3389187597488).

Almost surely, 2^{23240021421332} is an apocalyptic number.

It is an amenable number.

23240021421332 is a deficient number, since it is larger than the sum of its proper divisors (17430229748524).

23240021421332 is a wasteful number, since it uses less digits than its factorization.

23240021421332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30526078 (or 30526076 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 23240021421332 its reverse (23312412004232), we get a palindrome (46552433425564).

The spelling of 23240021421332 in words is "twenty-three trillion, two hundred forty billion, twenty-one million, four hundred twenty-one thousand, three hundred thirty-two".