10023156340 has 12 divisors (see below), whose sum is σ = 21048628356. Its totient is φ = 4009262528.

The previous prime is 10023156331. The next prime is 10023156347. The reversal of 10023156340 is 4365132001.

It can be written as a sum of positive squares in 2 ways, for example, as 1126139364 + 8897016976 = 33558^2 + 94324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023156347) 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, 250578889 + ... + 250578928.

It is an arithmetic number, because the mean of its divisors is an integer number (1754052363).

Almost surely, 2^10023156340 is an apocalyptic number.

10023156340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10023156340 is an abundant number, since it is smaller than the sum of its proper divisors (11025472016).

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

10023156340 is a wasteful number, since it uses less digits than its factorization.

10023156340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501157826 (or 501157824 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 10023156340 its reverse (4365132001), we get a palindrome (14388288341).

The spelling of 10023156340 in words is "ten billion, twenty-three million, one hundred fifty-six thousand, three hundred forty".