1023233415421 has 16 divisors (see below), whose sum is σ = 1191540824064. Its totient is φ = 860460666624.

The previous prime is 1023233415397. The next prime is 1023233415467. The reversal of 1023233415421 is 1245143323201.

It is a cyclic number.

It is not a de Polignac number, because 1023233415421 - 2³¹ = 1021085931773 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 (1023233415121) 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, 7554325 + ... + 7688581.

It is an arithmetic number, because the mean of its divisors is an integer number (74471301504).

Almost surely, 2^{1023233415421} is an apocalyptic number.

It is an amenable number.

1023233415421 is a deficient number, since it is larger than the sum of its proper divisors (168307408643).

1023233415421 is a wasteful number, since it uses less digits than its factorization.

1023233415421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154860.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1023233415421 its reverse (1245143323201), we get a palindrome (2268376738622).

The spelling of 1023233415421 in words is "one trillion, twenty-three billion, two hundred thirty-three million, four hundred fifteen thousand, four hundred twenty-one".