2029400523 has 24 divisors (see below), whose sum is σ = 3096304640. Its totient is φ = 1278834480.

The previous prime is 2029400491. The next prime is 2029400537. The reversal of 2029400523 is 3250049202.

2029400523 is a `hidden beast` number, since 202 + 9 + 400 + 52 + 3 = 666.

It is not a de Polignac number, because 2029400523 - 2⁵ = 2029400491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2029400543) 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, 72583 + ... + 96576.

Almost surely, 2^2029400523 is an apocalyptic number.

2029400523 is a deficient number, since it is larger than the sum of its proper divisors (1066904117).

2029400523 is a wasteful number, since it uses less digits than its factorization.

2029400523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169239 (or 169236 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2029400523 is about 45048.8681655821. The cubic root of 2029400523 is about 1266.0647657470.

Adding to 2029400523 its reverse (3250049202), we get a palindrome (5279449725).

The spelling of 2029400523 in words is "two billion, twenty-nine million, four hundred thousand, five hundred twenty-three".