1202113423 has 24 divisors (see below), whose sum is σ = 1509533280. Its totient is φ = 951572160.

The previous prime is 1202113421. The next prime is 1202113433. The reversal of 1202113423 is 3243112021.

It is a happy number.

It is not a de Polignac number, because 1202113423 - 2¹ = 1202113421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202113423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202113421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14293 + ... + 51073.

It is an arithmetic number, because the mean of its divisors is an integer number (62897220).

Almost surely, 2^1202113423 is an apocalyptic number.

1202113423 is a deficient number, since it is larger than the sum of its proper divisors (307419857).

1202113423 is a wasteful number, since it uses less digits than its factorization.

1202113423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36847 (or 36840 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1202113423 is about 34671.5073655588. The cubic root of 1202113423 is about 1063.2820497100.

Adding to 1202113423 its reverse (3243112021), we get a palindrome (4445225444).

The spelling of 1202113423 in words is "one billion, two hundred two million, one hundred thirteen thousand, four hundred twenty-three".