1406423253 has 16 divisors (see below), whose sum is σ = 1919655936. Its totient is φ = 915497520.

The previous prime is 1406423203. The next prime is 1406423269. The reversal of 1406423253 is 3523246041.

It is not a de Polignac number, because 1406423253 - 2⁶ = 1406423189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1406423253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406423203) 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, 49200 + ... + 72342.

It is an arithmetic number, because the mean of its divisors is an integer number (119978496).

Almost surely, 2^1406423253 is an apocalyptic number.

It is an amenable number.

1406423253 is a deficient number, since it is larger than the sum of its proper divisors (513232683).

1406423253 is a wasteful number, since it uses less digits than its factorization.

1406423253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23624.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1406423253 is about 37502.3099688539. The cubic root of 1406423253 is about 1120.3971946353.

Adding to 1406423253 its reverse (3523246041), we get a palindrome (4929669294).

The spelling of 1406423253 in words is "one billion, four hundred six million, four hundred twenty-three thousand, two hundred fifty-three".