10231421293 has 4 divisors (see below), whose sum is σ = 10300088700. Its totient is φ = 10162753888.

The previous prime is 10231421279. The next prime is 10231421297. The reversal of 10231421293 is 39212413201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1049565609 + 9181855684 = 32397^2 + 95822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10231421293 is a prime.

It is a super-4 number, since 4×10231421293⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231421297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34333480 + ... + 34333777.

It is an arithmetic number, because the mean of its divisors is an integer number (2575022175).

Almost surely, 2^10231421293 is an apocalyptic number.

It is an amenable number.

10231421293 is a deficient number, since it is larger than the sum of its proper divisors (68667407).

10231421293 is an equidigital number, since it uses as much as digits as its factorization.

10231421293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68667406.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 10231421293 its reverse (39212413201), we get a palindrome (49443834494).

The spelling of 10231421293 in words is "ten billion, two hundred thirty-one million, four hundred twenty-one thousand, two hundred ninety-three".