276720423 has 16 divisors (see below), whose sum is σ = 426752256. Its totient is φ = 156219840.

The previous prime is 276720421. The next prime is 276720463. The reversal of 276720423 is 324027672.

It is not a de Polignac number, because 276720423 - 2¹ = 276720421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276720421) 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, 77638 + ... + 81123.

It is an arithmetic number, because the mean of its divisors is an integer number (26672016).

Almost surely, 2^276720423 is an apocalyptic number.

276720423 is a deficient number, since it is larger than the sum of its proper divisors (150031833).

276720423 is a wasteful number, since it uses less digits than its factorization.

276720423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158854.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 276720423 is about 16634.9157797688. The cubic root of 276720423 is about 651.6490067304.

The spelling of 276720423 in words is "two hundred seventy-six million, seven hundred twenty thousand, four hundred twenty-three".